pass binary that arm instruction belongs to in

at least to first. repositioning and stuff next
This commit is contained in:
Torsten Ruger 2018-05-06 19:56:36 +03:00
parent 415df49199
commit e89c4d1ce1
4 changed files with 31 additions and 14 deletions

View File

@ -23,11 +23,12 @@ module Arm
def insert(instruction) def insert(instruction)
super super
@next.set_position( Risc::Position.position(self) + self.byte_length , 0) #FIXME my_pos = Risc::Position.position(self)
@next.set_position( my_pos + self.byte_length , 0 , my_pos.binary)
end end
def set_position( position , count ) def set_position( position , count , extra = nil)
Risc::Position.set_position(self,position) Risc::Position.set_position(self,position , extra)
position += byte_length position += byte_length
if self.next if self.next
count += 1 #assumes 4 byte instructions, as does the whole setup count += 1 #assumes 4 byte instructions, as does the whole setup
@ -35,7 +36,7 @@ module Arm
count = 0 count = 0
position += 12 # 12=3*4 , 3 for marker,type,next words to jump over position += 12 # 12=3*4 , 3 for marker,type,next words to jump over
end end
self.next.set_position( position , count ) self.next.set_position( position , count , extra)
else else
position position
end end

View File

@ -45,9 +45,9 @@ module Risc
end end
# labels have the same position as their next # labels have the same position as their next
def set_position( position , count = 0) def set_position( position , count = 0 , extra = nil)
Position.set_position(self,position) Position.set_position(self,position , extra)
self.next.set_position(position,count) if self.next self.next.set_position(position,count,extra) if self.next
end end
# shame we need this, just for logging # shame we need this, just for logging

View File

@ -78,7 +78,7 @@ module Risc
translate_arm unless @translated translate_arm unless @translated
#need the initial jump at 0 and then functions #need the initial jump at 0 and then functions
Position.set_position(binary_init,0) Position.set_position(binary_init,0)
cpu_init.set_position( 12 ,0) cpu_init.set_position( 12 ,0 , binary_init)
@code_start = position_objects( binary_init.padded_length ) @code_start = position_objects( binary_init.padded_length )
# and then everything code # and then everything code
position_code position_code
@ -110,7 +110,7 @@ module Risc
at = @code_start at = @code_start
objects.each do |id , method| objects.each do |id , method|
next unless method.is_a? Parfait::TypedMethod next unless method.is_a? Parfait::TypedMethod
method.cpu_instructions.set_position( at + 12) method.cpu_instructions.set_position( at + 12 , 0 , method.binary)
before = at before = at
nekst = method.binary nekst = method.binary
while(nekst) while(nekst)

View File

@ -36,12 +36,14 @@ module Risc
"0x#{@at.to_s(16)}" "0x#{@at.to_s(16)}"
end end
def reset_to(pos) def reset_to(pos)
return false if pos == at
if((at - pos).abs > 1000) if((at - pos).abs > 1000)
raise "position set too far off #{pos}!=#{at} for #{object}:#{object.class}" raise "position set too far off #{pos}!=#{at} for #{object}:#{object.class}"
end end
@at = pos @at = pos
self true
end end
def self.positions def self.positions
@positions @positions
end end
@ -62,7 +64,10 @@ module Risc
# in measures (of 32) # in measures (of 32)
#puts "Setting #{pos} for #{self.class}" #puts "Setting #{pos} for #{self.class}"
old = Position.positions[object] old = Position.positions[object]
return old.reset_to(pos) if old != nil if old != nil
old.reset_to(pos)
return old
end
self.positions[object] = for_at( object , pos , extra) self.positions[object] = for_at( object , pos , extra)
end end
@ -71,7 +76,7 @@ module Risc
when Parfait::BinaryCode when Parfait::BinaryCode
BPosition.new(object,at , extra) BPosition.new(object,at , extra)
when Arm::Instruction , Risc::Label when Arm::Instruction , Risc::Label
IPosition.new(object,at) IPosition.new(object,at , extra)
else else
Position.new(at) Position.new(at)
end end
@ -79,11 +84,22 @@ module Risc
end end
# handle event propagation # handle event propagation
class IPosition < Position class IPosition < Position
attr_reader :instruction attr_reader :instruction , :binary
def initialize(instruction, pos) def initialize(instruction, pos , binary)
raise "not set " unless binary
super(pos) super(pos)
@instruction = instruction @instruction = instruction
@binary = binary
end end
def reset_to(pos)
changed = super(pos)
puts "Reset (#{changed}) #{instruction}"
return unless changed
return unless instruction.next
instruction.next.set_position( pos + instruction.byte_length , 0)
end
end end
class BPosition < Position class BPosition < Position
attr_reader :code , :method attr_reader :code , :method